名词
中文翻译：化学鉴定
同义词：
['chemical analysis', 'chemical test', 'chemical verification']
例句：
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1. The scientists used various chemicals to identify the source of the pollution.
科学家们使用各种化学物质来鉴定污染的来源。
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2. The chemical identification process is crucial for the safety of the product.
化学鉴定过程对于产品的安全性至关重要。
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3. The identification of the bacteria led to the development of a new antibiotic.
细菌的鉴定导致了新抗生素的开发。